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  • Title: Expression of cyclin-D1 in uveal malignant melanoma.
    Author: Errico ME, Staibano S, Tranfa F, Bonavolonta G, Lo Muzio L, Somma P, Lucariello A, Mansueto G, D'Aponte A, Ferrara G, De Rosa G.
    Journal: Anticancer Res; 2003; 23(3B):2701-6. PubMed ID: 12894561.
    Abstract:
    BACKGROUND: Uveal malignant melanoma (MM) is characterized by a marked variability in biological behavior and by an unpredictable clinical course. Therefore the search for reliable prognostic parameters is active. In this study we investigated the immunohistochemical expression of cyclin D1, a cell cycle regulatory molecule, to analyze the possible significance of the protein in the prognostic evaluation of these neoplasms. MATERIALS AND METHODS: Forty-five selected uveal MM were incubated with the anti-cyclin D-1 antibody; the findings were compared with the follow-up data, with the cell type and with the largest tumor dimension. RESULTS: The overexpression of cyclin D1 was found to be inversely related to disease-free interval (p < 0.001) and to the spindle A/B tumors with good prognosis (p = 0.05). On the other hand, a direct correlation was found with epithelioid/spindle B melanomas with poor clinical course (p = 0.05) and with sclera infiltration (p = 0.01). No statistically significant relation emerged between cyclin D1 expression and LTD. CONCLUSION: These data may suggest a possible role of the overexpression of cyclin D1 in the tumorigenesis of uveal MM and in the prognostic evaluation of these tumors, representing a useful tool to subclassify lesions with similar morphological features.
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